National Stock Number
2920-00-428-7658
National Stock Number (NSN) 2920-00-428-7658, or NIIN 004287658, (shell,impulse coupl) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 2920001435283.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 14, 2020. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L020P2187. The total value of the awarded contracts has been US$ 300.00.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 25, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2920004287658 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.